giao trinh nha may dien va tram bien ap

... cuớa õọử thở phuỷ taới seợ giao cho caùc nha maùy thuớy õióỷn coù họử chổùa nổồùc, vỗ noù mồớ va ngổỡng maùy nhanh chọng, êt täún kẹm. Trong hãû thäúng âiãûn khäng coù nha maùy thuớy õióỷn thỗ ... nha maùy thuớy õióỷn khọng coù họử chổùa va laỡm vióỷc trong muỡa mổa luợ. Nh mạy cọ âäư thë phủ ti bàõt büc tổỡng phỏửn laỡ nhổợng nha maùy nhióỷt õióỷn trờch hồi . ọỳi vồùi nhổợng nha ... 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...

... män Hãû thäúng âiãûn - ÂHBK Âaì Nàông . 125 Maïy biãún aïp 630KVA va 1.000KVA âæåüc duìng phäø biãún. Maïy biãún aùp trón 1.000KVA khọng sổớ duỷng vỗ seợ laỡm doỡng ngàõn mảch trong mảng 0,4KV ... nhiãn liãûu, thäng säú håi, . . . Trong nha maïy nhiãût âiãûn cäng suáút âiãûn tæû duìng thæåìng chiãúm khoaíng (5 - 8)% cäng suáút nha maïy, âäúi våïi nha maïy thuíy âiãûn cäng suáút tæû ... tỉû dng riãng cho cạc tọứ maùy va tổỷ duỡng chung cho nha maùy. Hỗnh 6 - 6 l så âäư tỉû dng ca mäüt nh mạy thy âiãn cäng sút låïn, gäưm 4 täø mạy cäng sút 200MVA âỉåüc näúi bäü lãn hãû thäúng....

... hai bäü pháûn khaïc nhau bàòng : D = Ap + 200 cm Khong cạch nh nháút theo phỉång thúng õổùng giổợa nhổợng bọỹ phỏỷn mang õióỷn thuọỹc caùc bọỹ phỏỷn caỷnh nhau õỷt trón nhau cuợng nhổ khoaớng ... våïi nhau âỉåüc thûn tiãûn. Tay cáưm ca bäü truưn âäüng dao cạch ly âỉåüc âàût å í âäü cao khoaíng 1,5m so våïi màût âáút. d. Chäúng seït van, dáy chäúng seït va cäüt chäúng seït Chäúng sẹt van ... õỏỳt A p-õ va giổợa caùc pha vồùi nhau A p-p nhæ trong baíng sau B7-1. Âäúi våïi TBPP trong nh âiãûn ạp tháúp hån ngỉåìi ta khäng phán biãût khoaớng caùch giổợa caùc pha vồùi nhau va vồùi...

... phaùt va hóỷ thọỳng laỡm vióỷc bỗnh thổồỡng. Chuù Yẽ : Theo så âäư v cạc gi thiãút tênh toạn ngàõn mảch ta cọ : I N3 = I N4 + I N5 I N7 = I N5 + I N5' I N7' = I N6 + I N6' ... nãn nha chãú taûo cho sàôn S min âãø âm bo äøn âënh âäüng. Phỉång ạn a chè thêch håüp våïi khạng âỉåìng dáy cọ dng âënh mỉïc 1000 A tråí xuäúng va X K % ≤ 6%. Âàût ba pha chäưng lãn nhau ... tng lón (1,2 ữ 1,3) U f va baớo vóỷ rồ le tạc âäüng càõt nhanh ngàõn mảch mäüt pha cho nãn tỗnh traỷng phaùt noùng cuớa BU trong trổồỡng hồỹp naỡy khäng nhiãöu va khäng gáy nguy hiãøm cho...

... suỏỳt õởnh mổùc 100MVA thỗ loợi theùp va cạc cün näúi tiãúp v cün chung chè cáưn chãú taỷo theo Sm=50MVA ( bũng loợi theùp va caùc cuọỹn dáy ca MBA thỉåìng cọ Sâm=50MVA) ÅÍ mạy biãún aïp ... KV Cäng suáút 630 MVA Âiãûn aïp 500 KV Cäng suáút 1.200 MVA MBA tỉû ngáùu : Âiãûn ạp 500 /110 KV Cäng suáút 1.500 MVA MBA mäüt pha : Âiãûn aïp 500 KV Cäng suáút 1.600 MVA Trong thæûc tãú ... våïi nhau. Âãø âån giaín ta xẹt mạy biãún ạp tỉû ngáùu mäüt pha cọ hai cỏỳp õióỷn aùp Uc va U T nhổ hỗnh veợ: Cuäün cao aïp OC va cuäün trung aïp OT coï näúi chung våïi nhau...

... thanh goïp TG1 va TG2, coï nhiãûm vuỷ dổỷ trổợ qua laỷi cho nhau va õổồỹc nọỳi vồùi nhau qua maỷch maùy cừt nọỳi MCN. ã Mọựi mảch âỉåüc näúi vo hai HTTG qua mäüt mạy càõt va ba dao caïch ... naỡy thổồỡng gỷp ồớ caùc nha maïy âiãûn) ã TGLV õổồỹc phỏn thaỡnh 2 phỏn õoaỷn laỡ P1 va PÂ2. Hai phán âoaûn näúi våïi TGDT bàòng MCN1 va MCN2 ồớ vở trờ thổồỡng ... viãûc liãn laûc våïi nhau qua mạy càõt phán âoản (MC pâ ) v hai DCL: CL pâ1 va CL pâ2 . å Ta tháúy så âäö naìy vãö cå bn giäúng så âäư hai HTTG nhỉng cọ thãm mảch MCV va HTTG voỡng. ã ã ã ã...

... pha va ỡ trong noù seợ coù doỡng õióỷn õióỷn caớm I L cháûm pha so våïi âiãûn aïp âiãøm trung tênh 1 gọc 90 o . Kãút qu l tải chäø chảm âáút, seợ coù doỡng õióỷn I L va Ic ngổồỹc pha nhau. ... ạp thỉï tỉû khäng bàịng -Uc. Nhỉ váûy, âiãûn ạp måïi ca cạc pha âäúi våïi âáút U' A , U' B , U' C bàòng täøng hỗnh hoỹc õióỷn aùp caùc pha õọỳi vồùi õỏỳt trổồùc khi chảm âáút ... thiãút bë. Do âoï doìng âiãûn dung cuía caùc pha I C0A , I C0B , IC0C cuợng õọỳi xổùng vồùi nhau va täøng cuía chuïng bàòng khäng, cho nãn khäng cọ dng no chảy trong âáút. CUIII III fCCBCAC CCBCAC ...

... cuớa õọử thở phuỷ taới seợ giao cho caùc nha maùy thuớy õióỷn coù họử chổùa nổồùc, vỗ noù mồớ va ngổỡng maùy nhanh chọng, êt täún kẹm. Trong hãû thäúng âiãûn khäng coù nha maùy thuớy õióỷn thỗ ... nha maùy thuớy õióỷn khọng coù họử chổùa va laỡm vióỷc trong muỡa mổa luợ. Nh mạy cọ âäư thë phủ ti bàõt büc tổỡng phỏửn laỡ nhổợng nha maùy nhióỷt õióỷn trờch hồi . ọỳi vồùi nhổợng nha ... + Nha maïy nhiãût âiãûn trêch håi mäüt pháưn nàng lỉåüng ca håi âỉåüc sỉí dủng vo mủc âêch cäng nghiãûp v sinh hoaût cuí a nhán dán vuìng lán cáûn. b. Nha maïy thuíy âiãûn : ( TÂ ) Nha ...

... män Hãû thäúng âiãûn - ÂHBK Âaì Nàông . 125 Maïy biãún aïp 630KVA va 1.000KVA âæåüc duìng phäø biãún. Maïy biãún aùp trón 1.000KVA khọng sổớ duỷng vỗ seợ laỡm doỡng ngàõn mảch trong mảng 0,4KV ... tỉû dng riãng cho cạc tọứ maùy va tổỷ duỡng chung cho nha maùy. Hỗnh 6 - 6 l så âäư tỉû dng ca mäüt nh mạy thy âiãn cäng sút låïn, gäưm 4 täø mạy cäng sút 200MVA âỉåüc näúi bäü lãn hãû thäúng. ... lồn hồn 110KV va nhổợng traỷm BA cọng suỏỳt lồùn cọ âiãûn ạp låïn hån35KV âãø cung cáúp cho tỉû duìng ta phaíi duìng hai MBA näúi va o thanh goïp ca trảm åí hai phán âoản khạc nhau (H.6- 8)....